Recently I’ve been focusing on something I’ve overlooked for too long- monitoring. I wanted to share a quick guide on monitoring Debian / Ubuntu with SNMPv3 and PRTG as I couldn’t find any high level,
Read moreCategory: Debian
Clean Up a Full Ubuntu ‘/boot’ Partition
If the /boot partition fills to 100% you’ll likely find yourself stuck in a loop. In order to remove old Linux kernels and free space you will likely first need to install dependencies, but to
Read moreSetup Postfix Sender Dependent Relay Hosts on Ubuntu
What are we doing? Setting up Multiple sender_dependent_relayhost_maps in Postfix Why? The sender_dependent_relayhost_maps flag allows mail from different hostnames to be sent via different relays. For example, I relay mail for one particular
Read moreSetup Postfix to Relay to Google Mail with TLS and smtp auth
What are we doing? Configuring Postfix to use Google Mail as an SMTP relay Why? Running a send only SMTP server is useful for automating password recovery, account signup etc, but keeping mail
Read moreInstall Monit on Ubuntu
What are we doing? Installing Monit on Ubuntu Why? Monit is a lightweight program that can monitor processes, restart them if they fail and send email alerts if there are problems. How? Update repositories
Read moreInstalling Git Core and Setting up First Repository
What are we doing? Generating SSH keys and adding them to bitbucket Installing Git core on our web server Setting up a repository Pushing a project to a repository Why? Version control is an industry
Read moreInstall and Configure Varnish 4 on Debian 8
Varnish is a lightweight HTTP Accelerator/Reverse Proxy for Linux. The idea is that Varnish sits in front of the http server, saving what it can to memory. When a page is requested, Varnish will check
Read moreHow to Install Debian Linux – Beginners Guide
Linux was a word I once feared. Only the most elite of computer nerds would dare use such an operating system. Thanks to advances in modern in Linux distributions and the internet in general, it
Read moreUpdate Ubiquiti EdgeMAX POE Firmware Via CLI
I recently came across a Javascript bug that was preventing firmware updates on the Edgemax POE through the GUI. Updates, therefore need to be completed through the CLI. The router supports holding two firmware versions
Read moreSetup RSA keys and SSH to Linux Without a Password
RSA keys not only provide more robust authentication than passwords- a password can be broken with time, luck and/or a hypothetical hammer- but can also make life a lot easier by removing the need to
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